Outlook for iOS and Android

Summary: These articles contain architectural and security information for administrators about Outlook for iOS and Android in an Exchange 2016 on-premises environment.

Outlook for iOS and Android supports two authentication types in Exchange on-premises environments: Basic authentication and hybrid Modern Authentication.

Outlook for iOS and Android uses Basic authentication with Exchange ActiveSync in the following environments:

  • In Exchange Server 2010 environments

  • When a hybrid relationship with Office 365 has not been configured

  • When hybrid Modern Authentication has not been enabled

For more information see Using Basic authentication with Outlook for iOS and Android.

For customers running Exchange Server 2013 or Exchange Server 2016 in a hybrid relationship with Office 365, Outlook for iOS and Android can be configured to leverage hybrid Modern Authentication. For more information, see Using hybrid Modern Authentication with Outlook for iOS and Android.

Note

The Outlook for iOS and Android Help Center is available for users, including help for using the app on specific devices and troubleshooting information.